CCC is akin to a Heaven’s Feel route of the original Fate/Extra. As what we’ve been told thus far, some sort of error caused the perversion of the Mooncell’s SE.RA.PH., trapping you and the rest of the Masters inside a retro Tsukumihara Academy…

Many familiar faces make a return to CCC, including the silent Rani as well as the noble Leonardo, altho their roles have slightly differ from the original.

For example: Rin is back but she is no longer a Hacker as what she was in the original game, but a full fledge Master this time. Shinji is now a skilled Wizard working along with the Student Council to try to escape this mess…